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OWNER'S MANUAL
DASH 350W E-BIKE
DASH 500W E-BIKE
www.serfas.com

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Summary of Contents for Serfas DASH 500W

  • Page 1 OWNER’S MANUAL DASH 350W E-BIKE DASH 500W E-BIKE www.serfas.com...
  • Page 2 SERFAS DASH 350W / DASH 500W OWNER’S MANUAL Thank you for purchasing a Serfas Dash 350W/500W e-bike! Before riding, please take a moment to review these instructions. Need service or support? Visit our website for quick answers, manuals, and/or give us a call and we’ll find you a solution.
  • Page 3 CONTENTS Warranty Information...
  • Page 4: Display / Control Specifications

    • Maximum Operating Current: 30mA • Power O Leakage Current < 1uA • Operating Current to Controller: 50mA • Operating Temperature: -18º to 65ºC • Storage Temperature: -30º to 80ºC POWER SWITCH Figure 1 Figure 3 CHARGING PORT Figure 2 SERFAS E-BIKE...
  • Page 5: Getting Started

    GETTING STARTED The Dash 350W/500W is operated using the control pad on the handlebars. The control pad is located near the left-hand brake lever. First, push the power button on the battery to turn on (Fig.1) The current charge level will be temporarily displayed on the LEDs (4=full, 1=near empty), then one green LED to show the battery is turned on.
  • Page 6: What's On The Display

    While you are riding, you can use the display to monitor your speed, the amount of pedal assist, battery life remaining, and other data. As shown below, your Dash 350W/500W uses an LCD display screen that looks like this: BATTERY LEVEL INDICATOR...
  • Page 7: Using The Controls

    “Super walk mode” is an even faster version of walk mode. To use it, hold down the arrow to engage standard walk mode, then press the throttle. This is useful on very steep climbs or when towing a trailer. Use caution with both walk modes. SERFAS E-BIKE OWNER’S MANUAL...
  • Page 8: Customizing The Display

    CUSTOMIZING THE DISPLAY You can use the settings features of the display to customize the Dash 350W/500W for your use. To enter the “Settings” mode, hold buttons at the same time for 2 seconds. You can customize 3 out of the 6 di erent functions on the display.
  • Page 9: Battery And Charging

    To optimize the performance of the battery over time, try and use it (discharging and charging) at least monthly. But if you won’t be riding your Dash 350W/500W for an extended period of time, it’s best to store the battery fully charged. EVERY 2 MONTHS: Put battery on the charger to maintain optimum level.
  • Page 10: Maintenance And Service

    In-between expert services at a bike shop we suggest: • Keep tires inflated to their recommend pressure (30-50 PSI / 2.0-3.5 BAR / 200-350 KPA) and check weekly. • Clean the drivetrain and lubricate the chain (monthly). SERFAS E-BIKE...
  • Page 11: Storing Your Bike

    All bicycle tubes slowly lose air over time and need to be regularly topped o to maintain proper pressure. This does not mean that your bicycle has a flat tire. Avoid allowing the tires to deflate completely during storage. SERFAS E-BIKE OWNER’S MANUAL...
  • Page 12 Some jurisdictions restrict where e-bikes can and cannot be ridden. These limits may include specific speeds and motor wattages. Your Dash 350W is a Class II e-bike, 350 Watts with pedal assist up to 20 MPH and throttle up to 20 MPH. You should only ride it where legal and safe.
  • Page 13: Error Codes And Troubleshooting

    At least one of the motor phase wires has been damaged or is temporarily disconnected. The hall sensor inside the rear hub might Motor Hall Sensor be disconnected or damaged. Service or Error replace the rear hub. SERFAS E-BIKE OWNER’S MANUAL...
  • Page 14 Make sure you Over are using the correct battery for your bike. Voltage For example, the 36V Dash 350W battery will not work with the 48V Dash 500W, triggering the error. Poor connection between the controller...
  • Page 15 This error could also appear if you install the wrong battery on your Dash 350W/500W. Bad connection between display and Communication controller, disconnect and re-connect Error display; ensure connection does not have grit or contamination. SERFAS E-BIKE OWNER’S MANUAL...
  • Page 16: Additional Troubleshooting

    firmly plugged in. 3. The throttle on the Dash 350W/500W will only engage after the motor is turned on via pedal assist. This is a safety feature designed to prevent you from accidentally engaging the throttle while parking or walking the bike.
  • Page 17: Battery Troubleshooting

    BATTERY TROUBLESHOOTING Your Dash 350W/500W e-bike battery uses several sophisticated monitoring systems to prevent damage from overcharging, overheat ing, deep battery discharge, charging with the wrong voltage, and other errors. Please use the specific charger supplied with your e-bike. Other chargers may not supply the correct voltage required for charging.
  • Page 18 To correct this issue: Reduce the strain on the battery and charge the battery. If it will not take a charge, please take the previous steps to resolve the issue. SERFAS E-BIKE...
  • Page 19: Frequently Asked Questions

    Some components interchange across the line of Dash e-bikes, like saddles, seatposts, handlebars, and grips. The ebike specific components, however, like batteries, controllers, displays, and motor do not interchange. Dash 350W is a 36V system vs 48V of the Dash 500W and these parts are not compatible.
  • Page 20 We suggest you do. This depends on your age, and your state. Please check your local laws. • What rear rack fits the Serfas Dash e-bikes? We recommend to check with your local bike shop. • How should I care for my e-bike battery? Please refer to the Battery and Charging section on page 6 of your Dash 350W/500W owner’s manual.
  • Page 21 To calculate capacity, multiply the voltage (V) used on the bike by the Ampere- Hour (Ah) rating. For the Serfas Dash 500W, for example, multiply 48V by 11.6Ah = 556.8Wh. More Watt-Hours equals more range for your e-bike.
  • Page 22: Frames And Forks

    Forks (other than those made by Serfas - for example, a Rockshox suspension fork) are not covered by this limited warranty, but are separately covered by the stated warranty of their manufacturer.
  • Page 23 www.serfas.com...

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